<!DOCTYPE html>
<html>
<head>
	<meta charset="UTF-8">
	<title>Basic Tabs - jQuery EasyUI Demo</title>
	<link rel="stylesheet" type="text/css" href="../../themes/default/easyui.css">
	<link rel="stylesheet" type="text/css" href="../../themes/icon.css">
	<link rel="stylesheet" type="text/css" href="../demo.css">
	<script type="text/javascript" src="../../jquery.min.js"></script>
	<script type="text/javascript" src="../../jquery.easyui.min.js"></script>
</head>
<body>
	<h2>Basic Tabs</h2>
	<p>Click tab strip to swap tab panel content.</p>
	<div style="margin:20px 0 10px 0;"></div>
	<div class="easyui-tabs" style="width:700px;height:250px">
		<div title="About" style="padding:10px">
			<p style="font-size:14px">jQuery EasyUI framework helps you build your web pages easily.</p>
			<ul>
				<li>easyui is a collection of user-interface plugin based on jQuery.</li>
				<li>easyui provides essential functionality for building modem, interactive, javascript applications.</li>
				<li>using easyui you don't need to write many javascript code, you usually defines user-interface by writing some HTML markup.</li>
				<li>complete framework for HTML5 web page.</li>
				<li>easyui save your time and scales while developing your products.</li>
				<li>easyui is very easy but powerful.</li>
			</ul>
		</div>
		<div title="My Documents" style="padding:10px">
			<ul class="easyui-tree" data-options="url:'tree_data1.json',method:'get',animate:true"></ul>
		</div>
		<div title="Help" data-options="iconCls:'icon-help',closable:true" style="padding:10px">
			<!-- 下面可加title="Cache Editor for DataGrid" -->
			<table id="dg" class="easyui-datagrid"style="width:700px;height:auto"
				   data-options="
				iconCls: 'icon-edit',
				singleSelect: true,
				toolbar: '#tb',
				url: 'datagrid_data1.json',
				method: 'get',
				onClickRow: onClickRow,
			">
				<thead>
				<tr>
					<th data-options="field:'itemid',width:80">Item ID</th>
					<th data-options="field:'productid',width:100,
						formatter:function(value,row){
							return row.productname;
						},
						editor:{
							type:'combobox',
							options:{
								valueField:'productid',
								textField:'productname',
								method:'get',
								url:'products.json',
								required:true
							}
						}">Product</th>
					<th data-options="field:'listprice',width:80,align:'right',editor:{type:'numberbox',options:{precision:1}}">List Price</th>
					<th data-options="field:'unitcost',width:80,align:'right',editor:'numberbox'">Unit Cost</th>
					<th data-options="field:'attr1',width:250,editor:'text'">Attribute</th>
					<th data-options="field:'status',width:60,align:'center',editor:{type:'checkbox',options:{on:'P',off:''}}">Status</th>
				</tr>
				</thead>
			</table>
		</div>

	</div>
	<script type="text/javascript">
        (function($){
            function getCacheContainer(t){
                var view = $(t).closest('div.datagrid-view');
                var c = view.children('div.datagrid-editor-cache');
                if (!c.length){
                    c = $('<div class="datagrid-editor-cache" style="position:absolute;display:none"></div>').appendTo(view);
                }
                return c;
            }
            function getCacheEditor(t, field){
                var c = getCacheContainer(t);
                return c.children('div.datagrid-editor-cache-' + field);
            }
            function setCacheEditor(t, field, editor){
                var c = getCacheContainer(t);
                c.children('div.datagrid-editor-cache-' + field).remove();
                var e = $('<div class="datagrid-editor-cache-' + field + '"></div>').appendTo(c);
                e.append(editor);
            }

            var editors = $.fn.datagrid.defaults.editors;
            for(var editor in editors){
                var opts = editors[editor];
                (function(){
                    var init = opts.init;
                    opts.init = function(container, options){
                        var field = $(container).closest('td[field]').attr('field');
                        var ed = getCacheEditor(container, field);
                        if (ed.length){
                            ed.appendTo(container);
                            return ed.find('.datagrid-editable-input');
                        } else {
                            return init(container, options);
                        }
                    }
                })();
                (function(){
                    var destroy = opts.destroy;
                    opts.destroy = function(target){
                        if ($(target).hasClass('datagrid-editable-input')){
                            var field = $(target).closest('td[field]').attr('field');
                            setCacheEditor(target, field, $(target).parent().children());
                        } else if (destroy){
                            destroy(target);
                        }
                    }
                })();
            }
        })(jQuery);
	</script>
	<script type="text/javascript">
        var editIndex = undefined;
        function endEditing(){
            if (editIndex == undefined){return true}
            if ($('#dg').datagrid('validateRow', editIndex)){
                var ed = $('#dg').datagrid('getEditor', {index:editIndex,field:'productid'});
                var productname = $(ed.target).combobox('getText');
                $('#dg').datagrid('getRows')[editIndex]['productname'] = productname;
                $('#dg').datagrid('endEdit', editIndex);
                editIndex = undefined;
                return true;
            } else {
                return false;
            }
        }
        function onClickRow(index){
            if (editIndex != index){
                if (endEditing()){
                    $('#dg').datagrid('selectRow', index)
                        .datagrid('beginEdit', index);
                    editIndex = index;
                } else {
                    $('#dg').datagrid('selectRow', editIndex);
                }
            }
        }
        function accept(){
            if (endEditing()){
                $('#dg').datagrid('acceptChanges');
            }
        }
        function reject(){
            $('#dg').datagrid('rejectChanges');
            editIndex = undefined;
        }
        function getChanges(){
            var rows = $('#dg').datagrid('getChanges');
            alert(rows.length+' rows are changed!');
        }
	</script>
</body>
</html>